Functional polarizing film and organic light-emitting display apparatus including the same

Abstract

A functional polarizing film includes a polarizing layer, at least one moisture-binding layer on a first surface of the polarizing layer, and at least one moisture-blocking layer disposed on a first surface of the moisture-binding layer.

What is claimed is: 
     
       1. A functional polarizing film, comprising:
 a polarizing layer; 
 at least one moisture-binding layer on a first surface of the polarizing layer; 
 at least one moisture-blocking layer disposed on a first surface of the moisture-binding layer such that the at least one moisture-binding layer and the at least one moisture-blocking layer are on a same side of the polarizing layer; 
 a support layer on the polarizing layer, the support layer being configured to support the polarizing layer; 
 a first adhesive layer, wherein the at least one moisture-binding layer, the at least one moisture-blocking layer, and the polarizing layer is between the first adhesive layer and the support layer; 
 a second adhesive layer positioned between the polarizing layer and the at least one moisture-binding layer or between the polarizing layer and the at least one moisture-blocking-layer; and 
 a third adhesive layer positioned between the at least one moisture-binding layer and the at least one moisture-blocking layer. 
 
     
     
       2. The functional polarizing film as claimed in  claim 1 , wherein the support layer includes triacetate cellulose (TAC). 
     
     
       3. The functional polarizing film as claimed in  claim 1 , wherein at least one of the moisture-binding layer or the moisture-blocking layer is formed in plural. 
     
     
       4. The functional polarizing film as claimed in  claim 1 , wherein the at least one moisture-binding layer includes a first moisture-binding layer and a second moisture-binding layer, and the at least one moisture-blocking layer is between the first moisture-binding layer and the second moisture-binding layer. 
     
     
       5. The functional polarizing film as claimed in  claim 1 , wherein the moisture-binding layer is configured to block permeation of oxygen. 
     
     
       6. The functional polarizing film as claimed in  claim 1 , wherein the polarizing layer includes a dichroic dye in polyvinyl alcohol (PVA). 
     
     
       7. The functional polarizing film as claimed in  claim 1 , wherein each one of the at least one moisture-binding layer and the at least one moisture-blocking layer includes an organic material. 
     
     
       8. The functional polarizing film as claimed in  claim 1 , wherein the at least one moisture-binding layer includes at least one of PVA, an ethylene vinyl alcohol copolymer (EVOH), or poly vinylidene chloride (PVDC). 
     
     
       9. The functional polarizing film as claimed in  claim 1 , wherein the at least one moisture-blocking layer includes a cyclo-olefin polymer (COP).